3786901641 has 24 divisors (see below), whose sum is σ = 5625008064. Its totient is φ = 2453220000.

The previous prime is 3786901639. The next prime is 3786901649. The reversal of 3786901641 is 1461096873.

It is a happy number.

It is not a de Polignac number, because 3786901641 - 2¹ = 3786901639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3786901649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268516 + ... + 282266.

It is an arithmetic number, because the mean of its divisors is an integer number (234375336).

Almost surely, 2^3786901641 is an apocalyptic number.

It is an amenable number.

3786901641 is a deficient number, since it is larger than the sum of its proper divisors (1838106423).

3786901641 is a wasteful number, since it uses less digits than its factorization.

3786901641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14621 (or 14618 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 3786901641 is about 61537.8065988706. The cubic root of 3786901641 is about 1558.6957157849.

The spelling of 3786901641 in words is "three billion, seven hundred eighty-six million, nine hundred one thousand, six hundred forty-one".